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SGG871: red dwarf star with 9 planets

  SGG871.1   SGG871.2  
SGG871.3
  SGG871.4   SGG871.5   SGG871.6  
SGG871.7
 
SGG871.8
 
SGG871.9
 

Solar system 'SGG871' comprises the star 'SGG871' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 290 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SGG871', a red dwarf class star that contains about 99.29% of the system's known mass and dominates it gravitationally. SGG871 is located more than 2615 lightyears from the center of the galaxy.

SGG871.3, the third planet in this system, may feature life forms. Its average temperature is 256K (-17C) and it's atmosphere contains 10% of oxygen. One year on SGG871.3 lasts 664 days, one day lasts 11 hours. It's diameter is 21266 km, 1.6 times the diameter of the Earth.

This solar system comprises 9 planets

SGG871.1 is a large terrestrial planet (7609 km radius) which orbits its star in 196 Earth days, one day on SGG871.1 lasts 13 Earth hours. Its average temperature is 432 K (159 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
SGG871.2 is a small terrestrial planet (3362 km radius) which orbits its star in 361 Earth days, one day on SGG871.2 lasts 31 Earth hours. Its average temperature is 384 K (111 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
SGG871.3 is a very large terrestrial planet (10633 km radius) which orbits its star in 664 Earth days, one day on SGG871.3 lasts 11 Earth hours. Its average temperature is 256 K (-17 C), its atmosphere mainly consists of nitrogen and it has 3 moons.
SGG871.4 is a small terrestrial planet (4688 km radius) which orbits its star in 1219 Earth days, one day on SGG871.4 lasts 20 Earth hours. Its average temperature is 151 K (-122 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
SGG871.5 is a very large terrestrial planet (10302 km radius) which orbits its star in 2241 Earth days, one day on SGG871.5 lasts 11 Earth hours. Its average temperature is 84 K (-189 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
SGG871.6 is a very small terrestrial planet (2697 km radius) which orbits its star in 4117 Earth days, one day on SGG871.6 lasts 43 Earth hours. Its average temperature is 44 K (-229 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
SGG871.7 is a large gas giant (48433 km radius) which orbits its star in 89078 Earth days, one day on SGG871.7 lasts 9 Earth hours. Its average temperature is 1112 K (839 C), its atmosphere mainly consists of hydrogen and it has 40 moons.
SGG871.8 is a large gas giant (50969 km radius) which orbits its star in 163647 Earth days, one day on SGG871.8 lasts 9 Earth hours. Its average temperature is 1165 K (892 C), its atmosphere mainly consists of hydrogen, helium and it has 164 moons.
SGG871.9 is a large gas giant (79772 km radius) which orbits its star in 456080 Earth days, one day on SGG871.9 lasts 9 Earth hours. Its average temperature is 1967 K (1694 C), its atmosphere mainly consists of hydrogen and it has 46 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:SGG871.1SGG871.2SGG871.3SGG871.4SGG871.5
distance from star:45*106 km68*106 km103*106 km155*106 km232*106 km
radius:7609 km3362 km10633 km4688 km10302 km
mass:3524*1021 kg304*1021 kg9617*1021 kg824*1021 kg8746*1021 kg
surface gravity: 4.06 m/s2
0.41 Earths
1.79 m/s2
0.18 Earths
5.67 m/s2
0.57 Earths
2.50 m/s2
0.25 Earths
5.50 m/s2
0.56 Earths
escape velocity:7.862 km/s3.474 km/s10.98 km/s4.843 km/s10.64 km/s
year: 361 SGG871.1 days
196 Earth days
279 SGG871.2 days
361 Earth days
1448 SGG871.3 days
664 Earth days
1462 SGG871.4 days
1219 Earth days
4889 SGG871.5 days
2241 Earth days
day:13 hrs31 hrs11 hrs20 hrs11 hrs
axial tilt:316°10°12°276°313°
temperature:432 K
159 C
384 K
111 C
256 K
-17 C
151 K
-122 C
84 K
-189 C
atmosphere:78% N2
17% O2
5% CO2
0% other
6% H2
2% He
66% N2
24% O2
2% CO2
0% other
85% N2
10% O2
5% CO2
0% other
97% N2
3% O2
0% other
2% H2
1% He
81% N2
13% O2
3% CO2
0% other
moons:1313021
rings:00500

planet:SGG871.6SGG871.7SGG871.8SGG871.9
distance from star:349*106 km2710*106 km4065*106 km8052*106 km
radius:2697 km48433 km50969 km79772 km
mass:156*1021 kg908895*1021 kg1059274*1021 kg4061078*1021 kg
surface gravity: 1.43 m/s2
0.14 Earths
25.8 m/s2
2.63 Earths
27.2 m/s2
2.78 Earths
42.5 m/s2
4.34 Earths
escape velocity:2.778 km/s50.04 km/s52.67 km/s82.43 km/s
year: 2297 SGG871.6 days
4117 Earth days
237541 SGG871.7 days
89078 Earth days
436392 SGG871.8 days
163647 Earth days
1216213 SGG871.9 days
456080 Earth days
day:43 hrs9 hrs9 hrs9 hrs
axial tilt:
temperature:44 K
-229 C
1112 K
839 C
1165 K
892 C
1967 K
1694 C
atmosphere:74% N2
25% O2
1% CO2
0% other
92% H2
8% He
0% other
88% H2
12% He
0% other
92% H2
8% He
0% other
moons:24016446
rings:02138

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